Macro blocking::unblock

macro_rules! unblock {
    ($($code:tt)*) => { ... };
}

Runs blocking code on a thread pool.

Desugaring

Note that unblock!(expr) is syntax sugar for:

unblock(move || expr).await

Examples

Read the contents of a file:

use blocking::unblock;
use std::fs;

let contents = unblock!(fs::read_to_string("file.txt"))?;

Spawn a process:

use blocking::unblock;
use std::process::Command;

let out = unblock!(Command::new("dir").output())?;